Development: Add Home Page and Team Details View

[alextopalova]

Checklist

General

• I tested all changes and their related features with all corresponding user types.

Client

• Important: Implemented the changes with a very good performance
• Prevented too many (unnecessary) REST calls
• I strictly followed the principle of data economy for all client-server REST calls.
• I strictly followed the client coding and design guidelines.
• I documented the React code.

Future TODO:

• Make sure the UI is responsive, even with large data (e.g. using paging).

Motivation and Context

Foundational implementation of the web app

Description

Includes (not exclusively):

• Home page (pages/)
• Team Overview Page (pages/)
• Team Details Page (pages/)
• Dummy data for dev pruposes (data/)
• Placeholder API functionality/Data Loaders (data/)
• Config file (config.ts/) - switching between API data fetching and dummy data currently
• Updated the README to include how to run the webapp and

Review Progress

Code Review

• Code Review of visual elements (if needed)
• Code Review of API placeholders

Manual Tests

• Click through the full app from start → teams overview → team details
  Run with:
  npm run dev

Screenshots

Visuals should coincide with Lovable prototype

[az108]

in general very clean code, could you please make these small adjustments

[az108]

Thanks for the changes 👍